APA ציטוט

Stumpf, S. E. (2003). Philosophy: History and problems. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Stumpf, Samuel Enoch. Philosophy: History and Problems. Boston: McGraw-Hill, 2003.

ציטוט MLA

Stumpf, Samuel Enoch. Philosophy: History and Problems. Boston: McGraw-Hill, 2003.